The father of modern light? The inventor who created the world's first light-emitting diode five decades ago.
[url=http://www.bbc.co.uk/news/technology-19886534]More...[/url]
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The father of modern light? The inventor who created the world's first light-emitting diode five decades ago.
[url=http://www.bbc.co.uk/news/technology-19886534]More...[/url]